California | Intellectual Property
2/20/06, 1:38 pm
Legal Question
Can Co-author publish derivative works without other authors permission?
Two people wrote a book. One author has gone on to write other books that can be considered derivative of that first work. The other author is a professional ghost writer who has assisted other celebrities with works that have nothing to do with this book. Does one co-author need the other authors permission to publish derivative works? Absent this permission is the co-author entitled to 50% of the proceeds of these derivative works? Is this governed by copyright law or some state law?
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